7940155940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1\times {\mathrm{13103}}^1$

素因数の和:13892

約数の個数: 48

約数和(自身を含む): 17105437440

約数和(自身を除く): 9165281500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 739, 820, 1478, 2956, 3695, 7390, 13103, 14780, 26206, 30299, 52412, 60598, 65515, 121196, 131030, 151495, 262060, 302990, 537223, 605980, 1074446, 2148892, 2686115, 5372230, 9683117, 10744460, 19366234, 38732468, 48415585, 96831170, 193662340, 397007797, 794015594, 1588031188, 1985038985, 3970077970, 7940155940]

約数ペア:

[(1, 7940155940), (2, 3970077970), (4, 1985038985), (5, 1588031188), (10, 794015594), (20, 397007797), (41, 193662340), (82, 96831170), (164, 48415585), (205, 38732468), (410, 19366234), (739, 10744460), (820, 9683117), (1478, 5372230), (2956, 2686115), (3695, 2148892), (7390, 1074446), (13103, 605980), (14780, 537223), (26206, 302990), (30299, 262060), (52412, 151495), (60598, 131030), (65515, 121196)]